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From: Brooks Davis <brooks@FreeBSD.org>
Date: Thu, 31 Dec 2009 20:56:28 +0000 (UTC)
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Subject: svn commit: r201352 - head/sys/kern
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Author: brooks
Date: Thu Dec 31 20:56:28 2009
New Revision: 201352
URL: http://svn.freebsd.org/changeset/base/201352

Log:
  If a filter has already been added, actually return EEXIST when trying
  at add it again.
  
  MFC after:	1 week

Modified:
  head/sys/kern/kern_event.c

Modified: head/sys/kern/kern_event.c
==============================================================================
--- head/sys/kern/kern_event.c	Thu Dec 31 20:44:38 2009	(r201351)
+++ head/sys/kern/kern_event.c	Thu Dec 31 20:56:28 2009	(r201352)
@@ -867,6 +867,7 @@ kqueue_add_filteropts(int filt, struct f
 {
 	int error;
 
+	error = 0;
 	if (filt > 0 || filt + EVFILT_SYSCOUNT < 0) {
 		printf(
 "trying to add a filterop that is out of range: %d is beyond %d\n",
@@ -883,7 +884,7 @@ kqueue_add_filteropts(int filt, struct f
 	}
 	mtx_unlock(&filterops_lock);
 
-	return (0);
+	return (error);
 }
 
 int